Home / 28,441.56-39,246.66-15,867.12

Finding the Fourth Proportional to 28,441.56, 39,246.66 and 15,867.12

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Solution

The fourth proportional to 28,441.56, 39,246.66 and 15,867.12 is: 21,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441.56 : 39,246.66 = 15,867.12 : x
  2. Step 2: Convert to fraction form
    28,441.56/39,246.66 = 15,867.12/x
  3. Step 3: Cross multiply
    28,441.56x = 39,246.66 × 15,867.12
  4. Step 4: Simplify right side
    28,441.56x = 622,731,463.82
  5. Step 5: Solve for x
    x = 622,731,463.82/28,441.56
  6. Step 6: Final answer
    x = 21,895.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.